2 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
4 * This tool was based on:
5 * TP-Link WR941 V2 firmware checksum fixing tool.
6 * Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
18 #include <unistd.h> /* for unlink() */
20 #include <getopt.h> /* for getopt() */
25 #include <arpa/inet.h>
26 #include <netinet/in.h>
30 #define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
32 #define HEADER_VERSION_V1 0x01000000
33 #define HWID_GL_INET_V1 0x08000001
34 #define HWID_GS_OOLITE_V1 0x3C000101
35 #define HWID_TL_MR10U_V1 0x00100101
36 #define HWID_TL_MR13U_V1 0x00130101
37 #define HWID_TL_MR3020_V1 0x30200001
38 #define HWID_TL_MR3220_V1 0x32200001
39 #define HWID_TL_MR3220_V2 0x32200002
40 #define HWID_TL_MR3420_V1 0x34200001
41 #define HWID_TL_MR3420_V2 0x34200002
42 #define HWID_TL_WA701N_V1 0x07010001
43 #define HWID_TL_WA7510N_V1 0x75100001
44 #define HWID_TL_WA801ND_V1 0x08010001
45 #define HWID_TL_WA830RE_V1 0x08300010
46 #define HWID_TL_WA830RE_V2 0x08300002
47 #define HWID_TL_WA801ND_V2 0x08010002
48 #define HWID_TL_WA901ND_V1 0x09010001
49 #define HWID_TL_WA901ND_V2 0x09010002
50 #define HWID_TL_WDR4300_V1_IL 0x43008001
51 #define HWID_TL_WDR4900_V1 0x49000001
52 #define HWID_TL_WR703N_V1 0x07030101
53 #define HWID_TL_WR720N_V3 0x07200103
54 #define HWID_TL_WR741ND_V1 0x07410001
55 #define HWID_TL_WR741ND_V4 0x07410004
56 #define HWID_TL_WR740N_V1 0x07400001
57 #define HWID_TL_WR740N_V3 0x07400003
58 #define HWID_TL_WR743ND_V1 0x07430001
59 #define HWID_TL_WR743ND_V2 0x07430002
60 #define HWID_TL_WR841N_V1_5 0x08410002
61 #define HWID_TL_WR841ND_V3 0x08410003
62 #define HWID_TL_WR841ND_V5 0x08410005
63 #define HWID_TL_WR841ND_V7 0x08410007
64 #define HWID_TL_WR941ND_V2 0x09410002
65 #define HWID_TL_WR941ND_V4 0x09410004
66 #define HWID_TL_WR1043ND_V1 0x10430001
67 #define HWID_TL_WR1043ND_V2 0x10430002
68 #define HWID_TL_WR1041N_V2 0x10410002
69 #define HWID_TL_WR2543N_V1 0x25430001
74 char *file_name; /* name of the file */
75 uint32_t file_size; /* length of the file */
79 uint32_t version; /* header version */
82 uint32_t hw_id; /* hardware id */
83 uint32_t hw_rev; /* hardware revision */
85 uint8_t md5sum1[MD5SUM_LEN];
87 uint8_t md5sum2[MD5SUM_LEN];
89 uint32_t kernel_la; /* kernel load address */
90 uint32_t kernel_ep; /* kernel entry point */
91 uint32_t fw_length; /* total length of the firmware */
92 uint32_t kernel_ofs; /* kernel data offset */
93 uint32_t kernel_len; /* kernel data length */
94 uint32_t rootfs_ofs; /* rootfs data offset */
95 uint32_t rootfs_len; /* rootfs data length */
96 uint32_t boot_ofs; /* bootloader data offset */
97 uint32_t boot_len; /* bootloader data length */
102 } __attribute__ ((packed));
104 struct flash_layout {
123 static char *progname;
124 static char *vendor = "TP-LINK Technologies";
125 static char *version = "ver. 1.0";
126 static char *fw_ver = "0.0.0";
128 static char *board_id;
129 static struct board_info *board;
130 static char *layout_id;
131 static struct flash_layout *layout;
132 static char *opt_hw_id;
133 static uint32_t hw_id;
134 static char *opt_hw_rev;
135 static uint32_t hw_rev;
136 static int fw_ver_lo;
137 static int fw_ver_mid;
138 static int fw_ver_hi;
139 static struct file_info kernel_info;
140 static uint32_t kernel_la = 0;
141 static uint32_t kernel_ep = 0;
142 static uint32_t kernel_len = 0;
143 static struct file_info rootfs_info;
144 static uint32_t rootfs_ofs = 0;
145 static uint32_t rootfs_align;
146 static struct file_info boot_info;
148 static int strip_padding;
149 static int add_jffs2_eof;
150 static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
151 static uint32_t fw_max_len;
152 static uint32_t reserved_space;
154 static struct file_info inspect_info;
155 static int extract = 0;
157 char md5salt_normal[MD5SUM_LEN] = {
158 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
159 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
162 char md5salt_boot[MD5SUM_LEN] = {
163 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
164 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
167 static struct flash_layout layouts[] = {
170 .fw_max_len = 0x3c0000,
171 .kernel_la = 0x80060000,
172 .kernel_ep = 0x80060000,
173 .rootfs_ofs = 0x140000,
176 .fw_max_len = 0x3c0000,
177 .kernel_la = 0x80060000,
178 .kernel_ep = 0x80060000,
179 .rootfs_ofs = 0x100000,
182 .fw_max_len = 0x7c0000,
183 .kernel_la = 0x80060000,
184 .kernel_ep = 0x80060000,
185 .rootfs_ofs = 0x140000,
188 .fw_max_len = 0x7c0000,
189 .kernel_la = 0x80060000,
190 .kernel_ep = 0x80060000,
191 .rootfs_ofs = 0x100000,
194 .fw_max_len = 0xf80000,
195 .kernel_la = 0x80060000,
196 .kernel_ep = 0x80060000,
197 .rootfs_ofs = 0x140000,
200 .fw_max_len = 0xf80000,
201 .kernel_la = 0x80060000,
202 .kernel_ep = 0x80060000,
203 .rootfs_ofs = 0x100000,
206 .fw_max_len = 0xf80000,
207 .kernel_la = 0x00000000,
208 .kernel_ep = 0xc0000000,
209 .rootfs_ofs = 0x2a0000,
211 /* terminating entry */
215 static struct board_info boards[] = {
218 .hw_id = HWID_TL_MR10U_V1,
220 .layout_id = "4Mlzma",
223 .hw_id = HWID_TL_MR13U_V1,
225 .layout_id = "4Mlzma",
228 .hw_id = HWID_TL_MR3020_V1,
230 .layout_id = "4Mlzma",
233 .hw_id = HWID_TL_MR3220_V1,
238 .hw_id = HWID_TL_MR3220_V2,
240 .layout_id = "4Mlzma",
243 .hw_id = HWID_TL_MR3420_V1,
248 .hw_id = HWID_TL_MR3420_V2,
250 .layout_id = "4Mlzma",
253 .hw_id = HWID_TL_WA701N_V1,
258 .hw_id = HWID_TL_WA7510N_V1,
262 .id = "TL-WA801NDv1",
263 .hw_id = HWID_TL_WA801ND_V1,
267 .id = "TL-WA830REv1",
268 .hw_id = HWID_TL_WA830RE_V1,
272 .id = "TL-WA830REv2",
273 .hw_id = HWID_TL_WA830RE_V2,
277 .id = "TL-WA801NDv2",
278 .hw_id = HWID_TL_WA801ND_V2,
280 .layout_id = "4Mlzma",
282 .id = "TL-WA901NDv1",
283 .hw_id = HWID_TL_WA901ND_V1,
287 .id = "TL-WA901NDv2",
288 .hw_id = HWID_TL_WA901ND_V2,
292 .id = "TL-WDR4300v1",
293 .hw_id = HWID_TL_WDR4300_V1_IL,
295 .layout_id = "8Mlzma",
297 .id = "TL-WDR4900v1",
298 .hw_id = HWID_TL_WDR4900_V1,
300 .layout_id = "16Mppc",
302 .id = "TL-WR741NDv1",
303 .hw_id = HWID_TL_WR741ND_V1,
307 .id = "TL-WR741NDv4",
308 .hw_id = HWID_TL_WR741ND_V4,
310 .layout_id = "4Mlzma",
313 .hw_id = HWID_TL_WR740N_V1,
318 .hw_id = HWID_TL_WR740N_V3,
322 .id = "TL-WR743NDv1",
323 .hw_id = HWID_TL_WR743ND_V1,
327 .id = "TL-WR743NDv2",
328 .hw_id = HWID_TL_WR743ND_V2,
330 .layout_id = "4Mlzma",
332 .id = "TL-WR841Nv1.5",
333 .hw_id = HWID_TL_WR841N_V1_5,
337 .id = "TL-WR841NDv3",
338 .hw_id = HWID_TL_WR841ND_V3,
342 .id = "TL-WR841NDv5",
343 .hw_id = HWID_TL_WR841ND_V5,
347 .id = "TL-WR841NDv7",
348 .hw_id = HWID_TL_WR841ND_V7,
352 .id = "TL-WR941NDv2",
353 .hw_id = HWID_TL_WR941ND_V2,
357 .id = "TL-WR941NDv4",
358 .hw_id = HWID_TL_WR941ND_V4,
362 .id = "TL-WR1041Nv2",
363 .hw_id = HWID_TL_WR1041N_V2,
365 .layout_id = "4Mlzma",
367 .id = "TL-WR1043NDv1",
368 .hw_id = HWID_TL_WR1043ND_V1,
372 .id = "TL-WR1043NDv2",
373 .hw_id = HWID_TL_WR1043ND_V2,
375 .layout_id = "8Mlzma",
377 .id = "TL-WR2543Nv1",
378 .hw_id = HWID_TL_WR2543N_V1,
380 .layout_id = "8Mlzma",
383 .hw_id = HWID_TL_WR703N_V1,
385 .layout_id = "4Mlzma",
388 .hw_id = HWID_TL_WR720N_V3,
390 .layout_id = "4Mlzma",
393 .hw_id = HWID_GL_INET_V1,
395 .layout_id = "8Mlzma",
398 .hw_id = HWID_GS_OOLITE_V1,
400 .layout_id = "16Mlzma",
402 /* terminating entry */
409 #define ERR(fmt, ...) do { \
411 fprintf(stderr, "[%s] *** error: " fmt "\n", \
412 progname, ## __VA_ARGS__ ); \
415 #define ERRS(fmt, ...) do { \
418 fprintf(stderr, "[%s] *** error: " fmt "\n", \
419 progname, ## __VA_ARGS__, strerror(save)); \
422 #define DBG(fmt, ...) do { \
423 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
426 static struct board_info *find_board(char *id)
428 struct board_info *ret;
429 struct board_info *board;
432 for (board = boards; board->id != NULL; board++){
433 if (strcasecmp(id, board->id) == 0) {
442 static struct board_info *find_board_by_hwid(uint32_t hw_id)
444 struct board_info *board;
446 for (board = boards; board->id != NULL; board++) {
447 if (hw_id == board->hw_id)
454 static struct flash_layout *find_layout(char *id)
456 struct flash_layout *ret;
457 struct flash_layout *l;
460 for (l = layouts; l->id != NULL; l++){
461 if (strcasecmp(id, l->id) == 0) {
470 static void usage(int status)
472 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
473 struct board_info *board;
475 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
479 " -B <board> create image for the board specified with <board>\n"
480 " -c use combined kernel image\n"
481 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
482 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
483 " -H <hwid> use hardware id specified with <hwid>\n"
484 " -W <hwrev> use hardware revision specified with <hwrev>\n"
485 " -F <id> use flash layout specified with <id>\n"
486 " -k <file> read kernel image from the file <file>\n"
487 " -r <file> read rootfs image from the file <file>\n"
488 " -a <align> align the rootfs start on an <align> bytes boundary\n"
489 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
490 " -o <file> write output to the file <file>\n"
491 " -s strip padding from the end of the image\n"
492 " -j add jffs2 end-of-filesystem markers\n"
493 " -N <vendor> set image vendor to <vendor>\n"
494 " -V <version> set image version to <version>\n"
495 " -v <version> set firmware version to <version>\n"
496 " -i <file> inspect given firmware file <file>\n"
497 " -x extract kernel and rootfs while inspecting (requires -i)\n"
498 " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
499 " -h show this screen\n"
505 static int get_md5(char *data, int size, char *md5)
510 MD5_Update(&ctx, data, size);
511 MD5_Final(md5, &ctx);
514 static int get_file_stat(struct file_info *fdata)
519 if (fdata->file_name == NULL)
522 res = stat(fdata->file_name, &st);
524 ERRS("stat failed on %s", fdata->file_name);
528 fdata->file_size = st.st_size;
532 static int read_to_buf(struct file_info *fdata, char *buf)
535 int ret = EXIT_FAILURE;
537 f = fopen(fdata->file_name, "r");
539 ERRS("could not open \"%s\" for reading", fdata->file_name);
544 fread(buf, fdata->file_size, 1, f);
546 ERRS("unable to read from file \"%s\"", fdata->file_name);
558 static int check_options(void)
562 if (inspect_info.file_name) {
563 ret = get_file_stat(&inspect_info);
568 } else if (extract) {
569 ERR("no firmware for inspection specified");
573 if (board_id == NULL && opt_hw_id == NULL) {
574 ERR("either board or hardware id must be specified");
579 board = find_board(board_id);
581 ERR("unknown/unsupported board id \"%s\"", board_id);
584 if (layout_id == NULL)
585 layout_id = board->layout_id;
587 hw_id = board->hw_id;
588 hw_rev = board->hw_rev;
590 if (layout_id == NULL) {
591 ERR("flash layout is not specified");
594 hw_id = strtoul(opt_hw_id, NULL, 0);
597 hw_rev = strtoul(opt_hw_rev, NULL, 0);
602 layout = find_layout(layout_id);
603 if (layout == NULL) {
604 ERR("unknown flash layout \"%s\"", layout_id);
609 kernel_la = layout->kernel_la;
611 kernel_ep = layout->kernel_ep;
613 rootfs_ofs = layout->rootfs_ofs;
615 if (reserved_space > layout->fw_max_len) {
616 ERR("reserved space is not valid");
620 fw_max_len = layout->fw_max_len - reserved_space;
622 if (kernel_info.file_name == NULL) {
623 ERR("no kernel image specified");
627 ret = get_file_stat(&kernel_info);
631 kernel_len = kernel_info.file_size;
634 if (kernel_info.file_size >
635 fw_max_len - sizeof(struct fw_header)) {
636 ERR("kernel image is too big");
640 if (rootfs_info.file_name == NULL) {
641 ERR("no rootfs image specified");
645 ret = get_file_stat(&rootfs_info);
650 kernel_len += sizeof(struct fw_header);
651 kernel_len = ALIGN(kernel_len, rootfs_align);
652 kernel_len -= sizeof(struct fw_header);
654 DBG("kernel length aligned to %u", kernel_len);
656 if (kernel_len + rootfs_info.file_size >
657 fw_max_len - sizeof(struct fw_header)) {
658 ERR("images are too big");
662 if (kernel_info.file_size >
663 rootfs_ofs - sizeof(struct fw_header)) {
664 ERR("kernel image is too big");
668 if (rootfs_info.file_size >
669 (fw_max_len - rootfs_ofs)) {
670 ERR("rootfs image is too big");
676 if (ofname == NULL) {
677 ERR("no output file specified");
681 ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
683 ERR("invalid firmware version '%s'", fw_ver);
690 static void fill_header(char *buf, int len)
692 struct fw_header *hdr = (struct fw_header *)buf;
694 memset(hdr, 0, sizeof(struct fw_header));
696 hdr->version = htonl(HEADER_VERSION_V1);
697 strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
698 strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
699 hdr->hw_id = htonl(hw_id);
700 hdr->hw_rev = htonl(hw_rev);
702 if (boot_info.file_size == 0)
703 memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
705 memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
707 hdr->kernel_la = htonl(kernel_la);
708 hdr->kernel_ep = htonl(kernel_ep);
709 hdr->fw_length = htonl(layout->fw_max_len);
710 hdr->kernel_ofs = htonl(sizeof(struct fw_header));
711 hdr->kernel_len = htonl(kernel_len);
713 hdr->rootfs_ofs = htonl(rootfs_ofs);
714 hdr->rootfs_len = htonl(rootfs_info.file_size);
717 hdr->ver_hi = htons(fw_ver_hi);
718 hdr->ver_mid = htons(fw_ver_mid);
719 hdr->ver_lo = htons(fw_ver_lo);
721 get_md5(buf, len, hdr->md5sum1);
724 static int pad_jffs2(char *buf, int currlen)
730 pad_mask = (64 * 1024);
731 while ((len < layout->fw_max_len) && (pad_mask != 0)) {
735 for (i = 10; i < 32; i++) {
741 len = ALIGN(len, mask);
743 for (i = 10; i < 32; i++) {
745 if ((len & (mask - 1)) == 0)
749 for (i = 0; i < sizeof(jffs2_eof_mark); i++)
750 buf[len + i] = jffs2_eof_mark[i];
752 len += sizeof(jffs2_eof_mark);
758 static int write_fw(char *data, int len)
761 int ret = EXIT_FAILURE;
763 f = fopen(ofname, "w");
765 ERRS("could not open \"%s\" for writing", ofname);
770 fwrite(data, len, 1, f);
772 ERRS("unable to write output file");
776 DBG("firmware file \"%s\" completed", ofname);
783 if (ret != EXIT_SUCCESS) {
790 static int build_fw(void)
795 int ret = EXIT_FAILURE;
798 buflen = layout->fw_max_len;
800 buf = malloc(buflen);
802 ERR("no memory for buffer\n");
806 memset(buf, 0xff, buflen);
807 p = buf + sizeof(struct fw_header);
808 ret = read_to_buf(&kernel_info, p);
812 writelen = sizeof(struct fw_header) + kernel_len;
818 p = buf + rootfs_ofs;
820 ret = read_to_buf(&rootfs_info, p);
825 writelen += rootfs_info.file_size;
827 writelen = rootfs_ofs + rootfs_info.file_size;
830 writelen = pad_jffs2(buf, writelen);
836 fill_header(buf, writelen);
837 ret = write_fw(buf, writelen);
849 /* Helper functions to inspect_fw() representing different output formats */
850 static inline void inspect_fw_pstr(char *label, char *str)
852 printf("%-23s: %s\n", label, str);
855 static inline void inspect_fw_phex(char *label, uint32_t val)
857 printf("%-23s: 0x%08x\n", label, val);
860 static inline void inspect_fw_phexpost(char *label,
861 uint32_t val, char *post)
863 printf("%-23s: 0x%08x (%s)\n", label, val, post);
866 static inline void inspect_fw_phexdef(char *label,
867 uint32_t val, uint32_t defval)
869 printf("%-23s: 0x%08x ", label, val);
872 printf("(== OpenWrt default)\n");
874 printf("(OpenWrt default: 0x%08x)\n", defval);
877 static inline void inspect_fw_phexexp(char *label,
878 uint32_t val, uint32_t expval)
880 printf("%-23s: 0x%08x ", label, val);
885 printf("(expected: 0x%08x)\n", expval);
888 static inline void inspect_fw_phexdec(char *label, uint32_t val)
890 printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
893 static inline void inspect_fw_phexdecdef(char *label,
894 uint32_t val, uint32_t defval)
896 printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
899 printf("(== OpenWrt default)\n");
901 printf("(OpenWrt default: 0x%08x)\n", defval);
904 static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
908 printf("%-23s:", label);
909 for (i=0; i<MD5SUM_LEN; i++)
910 printf(" %02x", val[i]);
911 printf(" %s\n", text);
914 static int inspect_fw(void)
917 struct fw_header *hdr;
918 uint8_t md5sum[MD5SUM_LEN];
919 struct board_info *board;
920 int ret = EXIT_FAILURE;
922 buf = malloc(inspect_info.file_size);
924 ERR("no memory for buffer!\n");
928 ret = read_to_buf(&inspect_info, buf);
931 hdr = (struct fw_header *)buf;
933 inspect_fw_pstr("File name", inspect_info.file_name);
934 inspect_fw_phexdec("File size", inspect_info.file_size);
936 if (ntohl(hdr->version) != HEADER_VERSION_V1) {
937 ERR("file does not seem to have V1 header!\n");
941 inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header));
943 if (ntohl(hdr->unk1) != 0)
944 inspect_fw_phexdec("Unknown value 1", hdr->unk1);
946 memcpy(md5sum, hdr->md5sum1, sizeof(md5sum));
947 if (ntohl(hdr->boot_len) == 0)
948 memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum));
950 memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum));
951 get_md5(buf, inspect_info.file_size, hdr->md5sum1);
953 if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) {
954 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)");
955 inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, "");
957 inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)");
959 if (ntohl(hdr->unk2) != 0)
960 inspect_fw_phexdec("Unknown value 2", hdr->unk2);
961 inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2,
962 "(purpose yet unknown, unchecked here)");
963 if (ntohl(hdr->unk3) != 0)
964 inspect_fw_phexdec("Unknown value 3", hdr->unk3);
968 inspect_fw_pstr("Vendor name", hdr->vendor_name);
969 inspect_fw_pstr("Firmware version", hdr->fw_version);
970 board = find_board_by_hwid(ntohl(hdr->hw_id));
972 layout = find_layout(board->layout_id);
973 inspect_fw_phexpost("Hardware ID",
974 ntohl(hdr->hw_id), board->id);
975 inspect_fw_phexexp("Hardware Revision",
976 ntohl(hdr->hw_rev), board->hw_rev);
978 inspect_fw_phexpost("Hardware ID",
979 ntohl(hdr->hw_id), "unknown");
980 inspect_fw_phex("Hardware Revision",
986 inspect_fw_phexdec("Kernel data offset",
987 ntohl(hdr->kernel_ofs));
988 inspect_fw_phexdec("Kernel data length",
989 ntohl(hdr->kernel_len));
991 inspect_fw_phexdef("Kernel load address",
992 ntohl(hdr->kernel_la),
993 layout ? layout->kernel_la : 0xffffffff);
994 inspect_fw_phexdef("Kernel entry point",
995 ntohl(hdr->kernel_ep),
996 layout ? layout->kernel_ep : 0xffffffff);
997 inspect_fw_phexdecdef("Rootfs data offset",
998 ntohl(hdr->rootfs_ofs),
999 layout ? layout->rootfs_ofs : 0xffffffff);
1001 inspect_fw_phex("Kernel load address",
1002 ntohl(hdr->kernel_la));
1003 inspect_fw_phex("Kernel entry point",
1004 ntohl(hdr->kernel_ep));
1005 inspect_fw_phexdec("Rootfs data offset",
1006 ntohl(hdr->rootfs_ofs));
1008 inspect_fw_phexdec("Rootfs data length",
1009 ntohl(hdr->rootfs_len));
1010 inspect_fw_phexdec("Boot loader data offset",
1011 ntohl(hdr->boot_ofs));
1012 inspect_fw_phexdec("Boot loader data length",
1013 ntohl(hdr->boot_len));
1014 inspect_fw_phexdec("Total firmware length",
1015 ntohl(hdr->fw_length));
1023 filename = malloc(strlen(inspect_info.file_name) + 8);
1024 sprintf(filename, "%s-kernel", inspect_info.file_name);
1025 printf("Extracting kernel to \"%s\"...\n", filename);
1026 fp = fopen(filename, "w");
1028 if (!fwrite(buf + ntohl(hdr->kernel_ofs),
1029 ntohl(hdr->kernel_len), 1, fp)) {
1030 ERR("error in fwrite(): %s", strerror(errno));
1034 ERR("error in fopen(): %s", strerror(errno));
1038 filename = malloc(strlen(inspect_info.file_name) + 8);
1039 sprintf(filename, "%s-rootfs", inspect_info.file_name);
1040 printf("Extracting rootfs to \"%s\"...\n", filename);
1041 fp = fopen(filename, "w");
1043 if (!fwrite(buf + ntohl(hdr->rootfs_ofs),
1044 ntohl(hdr->rootfs_len), 1, fp)) {
1045 ERR("error in fwrite(): %s", strerror(errno));
1049 ERR("error in fopen(): %s", strerror(errno));
1060 int main(int argc, char *argv[])
1062 int ret = EXIT_FAILURE;
1067 progname = basename(argv[0]);
1072 c = getopt(argc, argv, "a:B:H:E:F:L:V:N:W:ci:k:r:R:o:xX:hsjv:");
1078 sscanf(optarg, "0x%x", &rootfs_align);
1087 sscanf(optarg, "0x%x", &kernel_ep);
1093 opt_hw_rev = optarg;
1096 sscanf(optarg, "0x%x", &kernel_la);
1111 kernel_info.file_name = optarg;
1114 rootfs_info.file_name = optarg;
1117 sscanf(optarg, "0x%x", &rootfs_ofs);
1126 inspect_info.file_name = optarg;
1135 usage(EXIT_SUCCESS);
1138 sscanf(optarg, "0x%x", &reserved_space);
1141 usage(EXIT_FAILURE);
1146 ret = check_options();
1150 if (!inspect_info.file_name)